bush will all attend the memorial service for nelson mandela on tuesday. wusa9 will be covering a week of tributes to nelson mandela, both here and in south africa. >>> i'm derek mcginty along with wusa9 photographer kevin king. we're checking in here at dulles international airport, headed to johannesburg, south africa, to bring you a series of reports leading up to the funeral for nelson mandela. the heart of south africa. we'll see you there. >> derek and kevin, already in the air for that long flight. i think it's about 17 hours to south africa. watch for their report starting on tuesday on wusa9 and wusa9.com. >>> when we come back, topper has the newest information on th >>> the district is now under a winter storm warning. but the threat, it's really freezing rain. snow is over and fleet over as well. temperatures, 27-31, north and west tonight. major icing is possible for them overnight north and west. but as close to the district as maybe bethesda or rockville or maybe mcclain and reston. the morning commute will be icy and wet. and it will be eas